curl -X POST https://services-staging.getplu.com/api/v1/partner/card/fund \
  -H "Authorization: Bearer sk_staging_your_api_key" \
  -H "Content-Type: application/json" \
  -H "idempotency-key: 660e8400-e29b-41d4-a716-446655440001" \
  -d '{
    "serviceCardId": "acme-card-xyz789jkl012mno",
    "amount": 100
  }'

const response = await fetch(
  'https://services-staging.getplu.com/api/v1/partner/card/fund',
  {
    method: 'POST',
    headers: {
      'Authorization': 'Bearer sk_staging_your_api_key',
      'Content-Type': 'application/json',
      'idempotency-key': '660e8400-e29b-41d4-a716-446655440001',
    },
    body: JSON.stringify({
      serviceCardId: 'acme-card-xyz789jkl012mno',
      amount: 100,
    }),
  }
);

{
  "status": "success",
  "message": "Card funded successfully",
  "data": {}
}

{
  "status": "error",
  "message": "INSUFFICIENT_WALLET_BALANCE",
  "data": {
    "error": "Partner wallet has insufficient funds"
  }
}

{
  "status": "error",
  "message": "Idempotency key has already been used",
  "data": {
    "error": "Idempotency key has already been used"
  }
}

{
  "status": "error",
  "message": "CARD_NOT_FOUND",
  "data": {
    "error": "Card not found"
  }
}